[化] 四硝基二苯二硫

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(169) / 评论(0) 分类 Scientific American(一)月

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(147) / 评论(0) 分类 医务英语

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(384) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

分集介绍:导数,斜率,速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(380) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏,它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(234) / 评论(0) 分类 英语对接游戏

HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure

发表于:2019-01-30 / 阅读(165) / 评论(0) 分类 健康与经济

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(178) / 评论(0) 分类 万物简史

Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833

发表于:2019-02-19 / 阅读(133) / 评论(0) 分类 听播客学英语
学英语单词
a snowflake
al wafi (wafi)
Alangouassou
albrow
algorithmic simulation
allow declaration
anticrack
application processing function
auto crack
backsourcing
bogie kiln
canal structure
candiard
cap plasmolysis
Caragana zahlbruckneri
carrier communication
cavitation pocket
ceramic substrate
chicken curried rice
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clear egg
columbium pentafluoride
constrain sb to do sth
cumulus stage
custom houses
customers account
cut checks and stripes
decoupling of cylinder
Dermatophilus penetrans
Dhanwār
diazotization
domesticabilities
dry as a dead dingo's donger
dual and fertilizer boot
Echizen-dake
edge calking
enamelling iron
eternel
everniastrum cirrhatum
fail safe
fasterer
fissidens minutulus
Frasca, Mte.
front-organization
Gaius, Saint
GSH (gland steam heater)
henrion
hop-head
huzzy
indicating potentiometer
intellectual disabilities
Jeldēsa
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loio
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Lychnis sibirica
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material storehouse
MO disk
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number eights
Ordibehesht
OTBD (outboard)
outer sphere of complex
ovatest
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pal(a)eosol
passenger number fluctuation coefficient
periodical moistening
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press-telegram
Rabdosia xerophila
red tube
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